TM 1-1510-225-CL
P-11
b. Both
BL AIR OFF and BL AIR FAIL
annunciators illuminated.
3. LEFT BLEED AIR VALVE ON.
a. Pneumatic and suction pressures return to
normal.
b. Both BL AIR FAIL annunciators extinguished.
c. L BL AIR OFF annunciator extinguished.
4. RIGHT BLEED AIR VALVE ON.
a. R BL AIR OFF annunciator extinguished.
PRESSURIZATION
1. BLEED AIR VALVES Both ON.
2. CABIN ALTITUDE Set 500 feet lower than field
pressure altitude.
3. CABIN
PRESS
switch
TEST. Cabin
climb/descent gauge indicates a descent.
4. CABIN PRESS
switch Release. Cabin
climb/descent gauge indicates a climb, then
stabilizes at zero climb.
5. Altitude selector Set as required. Pressure
altitude + 200 feet.
CREW/PASSENGER BRIEFING
1. Crew Introduction.
2. Equipment.
a. Personnel to include ID tags.
b. Professional (medical equipment, etc.).
c. Survival.